-5.8 + (-2.5) = -8.3
since both the number are negative you simply add the numbers and use the negative sign.
When you add the decimals it’s the same as regular adding. You line up the decimals and then add all the way across and when you get to the decimal carry it down
Answer:
-1
Step-by-step explanation:
If i = √-1, then i^2 = -1.
